Question

The coaches at Dobie High School recorded the number of miles ran by various students. What is the difference between the number of students who ran 2 and a half or three miles and the number of students who ran one or one and a half miles?

Answer 1

See Explanation

Explanation:

The question is incomplete, as a table or chart that shows the required data is not given.

To answer this, I will make use of the following frequency table

`\begin{array}{cccccc}{Miles} & {1} & {1(1)/(2)} & {2} & {2(1)/(2)} & {3} \ \\ {Students} & {10} & {0} & {5} & {10} & {5} \ \end{array}`

From the above table.

`2(1)/(2)\ miles \to 10\ students`

`3\ miles \to 5\ students`

So:

`2(1)/(2)\ or\ 3\ miles = 10+5`

`2(1)/(2)\ or\ 3\ miles = 15\ students\\`

From the above table.

`1\ miles \to 10\ students`

`1(1)/(2)\ miles \to 0\ students`

So:

`1(1)/(2)\ or\ 1\ miles = 0+10`

`1(1)/(2)\ or\ 1\ miles = 10\ students`

The difference (d) is then calculated by subtracting the number of students in both categories

`d = 15\ students - 10\ students`

`d = 5\ students`